. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. 26 ECONOMIC ZOOLOGY AND ENTOMOLOGY Using the higher power lenses it will be seen that the outer part of the jelly-like body, called ectosarc, is clearer than the more granular inner part, the endosarc, and that within the endosarc are many small granules, the food particles, and a compara- tively large, round, clear space, the contractile vacuole, which m&:^r ;** '• > - i' -JaHt \ V^—.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability


. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. 26 ECONOMIC ZOOLOGY AND ENTOMOLOGY Using the higher power lenses it will be seen that the outer part of the jelly-like body, called ectosarc, is clearer than the more granular inner part, the endosarc, and that within the endosarc are many small granules, the food particles, and a compara- tively large, round, clear space, the contractile vacuole, which m&:^r ;** '• > - i' -JaHt \ V^—.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kellogg, Vernon L. (Vernon Lyman), 1867-1937; Doane, Rennie Wilbur, 1871-. New York, H. Holt and company


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